Home / 71,836.22-99,133.44-41,620.90

Finding the Fourth Proportional to 71,836.22, 99,133.44 and 41,620.90

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Solution

The fourth proportional to 71,836.22, 99,133.44 and 41,620.90 is: 57,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,836.22 : 99,133.44 = 41,620.90 : x
  2. Step 2: Convert to fraction form
    71,836.22/99,133.44 = 41,620.90/x
  3. Step 3: Cross multiply
    71,836.22x = 99,133.44 × 41,620.90
  4. Step 4: Simplify right side
    71,836.22x = 4,126,022,992.90
  5. Step 5: Solve for x
    x = 4,126,022,992.90/71,836.22
  6. Step 6: Final answer
    x = 57,436.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.